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Related to trench foot: immersion foot
a condition resulting from prolonged exposure to damp and cold; the extremity is initially cold and anesthetic, but on rewarming becomes hyperemic, paresthetic, and hyperhidrotic; recovery is often slow.
Synonym(s): trench foot
A condition of the foot resembling frostbite, caused by prolonged exposure to cold and dampness and often affecting soldiers in trenches.
Etymology: OFr, trenchier, to cut; AS, fot
a condition of moist gangrene of the foot caused by the freezing of wet skin.
Management Slow warming of foot; if the tissue is warmed too rapidly, reactive hyperthermia, blistering and possibly thrombosis
trench footA condition described in World War I in soldiers in the trenches, whose feet were damp and exposed to near-freezing temperatures for prolonged periods, which caused acral vasoconstriction and heat loss; the
prolonged cold is followed by vasodilation, burning pain and paresthesiae with formation of hemorrhagic blebs or gangrene, accompanied by cellulitis, lymphangitis, swelling, thrombophlebitis, and persistent hypersensitivity to cold with 2º Raynaud's phenomenon Management Slow warming of foot. See Immersion foot.